Jaw insert for power tongs



FIG. 1 is an enlarged top-front perspective view of a jaw insert for power tongs, showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a rear elevational view;

FIG. 5 is a right side elevational view;

FIG. 6 is a bottom plan view; and

FIG. 7 is a left side elevational view thereof. 

The ornamental design for a jaw insert for power tongs, as shown and described. 